/Engine/Plugins/Online/OnlineSubsystem/Source/Public/Interfaces/OnlineFriendsInterface.h
virtual [FDelegateHandle](API\Runtime\Core\Delegates\FDelegateHandle) AddOnOutgoingInviteSentDelegate_Handle ( int32 LocalUserNum, const [FOnOutgoingInviteSentDelegate](API\Plugins\OnlineSubsystem\Interfaces\FOnOutgoingInviteSentDelegate) & Delegate )